Seyfert galaxy
[天] 塞佛特星系（等于Seyfert）
🧩 词语组成解析
n. 赛弗特星系
🗣️ 情景例句
Uh-hum.
嗯哼。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
Dropping my suit, I dashed downstairs to tell George.
我扔下西服冲下楼去告诉乔治。